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Home >> International >> 1980 >> Scout II 2D Pickup, 5.7L Eng, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Ignition System >> PRESTOLITE Electronic BREAKERLESS Ignition >> Testing >> Trigger Wheel-To-Sensor Air Gap Check

Trigger Wheel-To-Sensor Air Gap Check

  1. Remove distributor cap, rotor and shield. Turn engine over until one trigger wheel tooth is aligned with centerline of sensor. Trigger wheel tooth should be perpendicular to flat surface of sensor. See Fig 1.
    Fig 1: Checking Trigger Wheel-to-Sensor Air Gap
    G09336931Courtesy of NOT AVAILABLE
  2. Check air gap between trigger wheel tooth and sensor with an 0.008" feeler gauge. To adjust gap, loosen sensor mounting screw and move sensor as necessary. Then, tighten mounting screw and recheck air gap.
    NOTE: Dwell is more critical than air gap. Adjust air gap as necessary to change dwell. See DWELL CHECK .
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